<template>
    <transition name="drop">
        <div class="top-tip" v-show="showFlag" @click.stop="hide">
            <slot></slot>
        </div> 
    </transition>
</template>

<script>
export default {
    props: {
        delay: {
            type: Number,
            default: 2000
        }
    },
    data() {
        return {
            showFlag: false
        }
    },
    methods: {
        show() {
            this.showFlag = true
            clearTimeout(this.timer)
            this.timer = setTimeout(() => {
                this.hide()
            }, this.delay)
        },
        hide() {
            this.showFlag = false
        }
    }
}
</script>

<style lang="stylus" scoped>
  @import "../../common/stylus/variable"

  .top-tip
    position: fixed
    top: 0
    width: 100%
    z-index: 500
    background: $color-dialog-background
    &.drop-enter-active, &.drop-leave-active
      transition: all 0.3s
    &.drop-enter, &.drop-leave-to
      transform: translate3d(0, -100%, 0)
</style>


